1 | // |
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2 | // C++ Implementation: STFocus |
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3 | // |
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4 | // Description: |
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5 | // |
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6 | // |
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7 | // Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2006 |
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8 | // |
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9 | // Copyright: See COPYING file that comes with this distribution |
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10 | // |
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11 | // |
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12 | #include <casa/Exceptions/Error.h> |
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13 | #include <tables/Tables/TableDesc.h> |
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14 | #include <tables/Tables/SetupNewTab.h> |
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15 | #include <tables/Tables/ScaColDesc.h> |
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16 | #include <tables/Tables/TableRecord.h> |
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17 | #include <tables/Tables/TableParse.h> |
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18 | #include <tables/Tables/TableRow.h> |
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19 | #include <casa/Containers/RecordField.h> |
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20 | |
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21 | #include "STFocus.h" |
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22 | |
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23 | |
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24 | using namespace casa; |
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25 | |
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26 | namespace asap { |
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27 | |
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28 | const casa::String STFocus::name_ = "FOCUS"; |
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29 | |
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30 | STFocus::STFocus(const Scantable& parent ) : |
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31 | STSubTable( parent, name_ ) |
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32 | { |
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33 | setup(); |
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34 | } |
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35 | |
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36 | asap::STFocus::STFocus( casa::Table tab ) : STSubTable(tab, name_) |
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37 | { |
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38 | rotationCol_.attach(table_,"ROTATION"); |
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39 | angleCol_.attach(table_,"ANGLE"); |
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40 | tanCol_.attach(table_,"TAN"); |
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41 | } |
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42 | |
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43 | STFocus::~STFocus() |
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44 | { |
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45 | } |
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46 | |
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47 | STFocus& asap::STFocus::operator =( const STFocus & other ) |
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48 | { |
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49 | if (this != &other) { |
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50 | static_cast<STSubTable&>(*this) = other; |
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51 | rotationCol_.attach(table_,"ROTATION"); |
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52 | angleCol_.attach(table_,"ANGLE"); |
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53 | tanCol_.attach(table_,"TAN"); |
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54 | } |
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55 | return *this; |
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56 | } |
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57 | void asap::STFocus::setup( ) |
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58 | { |
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59 | // add to base class table |
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60 | table_.addColumn(ScalarColumnDesc<Float>("ROTATION")); |
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61 | table_.addColumn(ScalarColumnDesc<Float>("ANGLE")); |
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62 | table_.addColumn(ScalarColumnDesc<Float>("TAN")); |
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63 | |
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64 | // new cached columns |
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65 | rotationCol_.attach(table_,"ROTATION"); |
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66 | angleCol_.attach(table_,"ANGLE"); |
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67 | tanCol_.attach(table_,"TAN"); |
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68 | } |
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69 | |
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70 | uInt STFocus::addEntry( Float rotation, Float angle, Float ftan) |
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71 | { |
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72 | Table result = table_( near(table_.col("ROTATION"), rotation) |
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73 | && near(table_.col("ANGLE"), angle) |
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74 | && near(table_.col("TAN"), ftan) ); |
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75 | uInt resultid = 0; |
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76 | if ( result.nrow() > 0) { |
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77 | ROScalarColumn<uInt> c(result, "ID"); |
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78 | c.get(0, resultid); |
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79 | } else { |
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80 | uInt rno = table_.nrow(); |
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81 | table_.addRow(); |
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82 | // get last assigned _id and increment |
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83 | if ( rno > 0 ) { |
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84 | idCol_.get(rno-1, resultid); |
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85 | resultid++; |
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86 | } |
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87 | rotationCol_.put(rno, rotation); |
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88 | angleCol_.put(rno, angle); |
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89 | tanCol_.put(rno, ftan); |
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90 | idCol_.put(rno, resultid); |
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91 | } |
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92 | return resultid; |
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93 | } |
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94 | |
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95 | void asap::STFocus::getEntry( Float& rotation, Float& angle, Float& ftan, |
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96 | uInt id) const |
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97 | { |
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98 | Table t = table_(table_.col("ID") == Int(id) ); |
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99 | if (t.nrow() == 0 ) { |
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100 | throw(AipsError("STFocus::getEntry - id out of range")); |
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101 | } |
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102 | ROTableRow row(t); |
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103 | // get first row - there should only be one matching id |
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104 | const TableRecord& rec = row.get(0); |
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105 | rotation = rec.asFloat("ROTATION"); |
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106 | angle = rec.asFloat("ANGLE"); |
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107 | ftan = rec.asFloat("TAN"); |
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108 | } |
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109 | |
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110 | |
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111 | } |
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